20 furniture intended for interior decoration, namely furniture items in the nature of indoor furniture, mirrors, frames excluding those used for construction, namely, picture frames; works of art made of wood, cork, reed, wicker, cane, shell, amber, mother-of-pearl and meerschaum, and substitutes for all these materials or of plastics; chairs being seats, armchairs, stools, tables, desks being furniture, bench seats in the nature of benches, beds, cupboards, shelf units in the nature of bookshelves